Ballpoint pen



FIG. 1 is a front view of a ballpoint pen of the present invention.

FIG. 2 is a rear view of the ballpoint pen of FIG. 1.

FIG. 3 is a top plan view of the ballpoint pen of FIG. 1.

FIG. 4 is a bottom view of the ballpoint pen of FIG. 1.

FIG. 5 is a right side view of the ballpoint pen of FIG. 1.

FIG. 6 is a left side view of the ballpoint pen of FIG. 1; and,

FIG. 7 is a perspective view of the ballpoint pen of FIG. 1. 

The ornamental design for a ballpoint pen, as shown and described. 